The movement that was Jackie Kennedy appears to be having somewhat of a revival, with First Lady Melania Trump leading the charge. Nathan Rousseau Smith (@fantasticmrnate) explains.
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For her first day as first lady, Melania Trump opted for a Jackie O-channeling look from a classic American brand.

Melania debuted her Tiffany-blue inauguration outfit on Friday morning, wearing a custom Ralph Lauren ensemble as she and Donald Trump arrived for a church service at St. John’s Episcopal Church across from the White House.

Melania's icy blue ensemble.(Photo: Alex Brandon, AP)

Melania's ensemble consists of a cashmere cropped jacket and mock turtleneck dress, suede gloves and a suede clutch, all in sky blue. In a departure from her usual shoulder-sweeping blowout, she wore her hair in an updo.

Her icy blue rounded out Donald Trump's patriotic red and white ensemble, with the Obamas also sporting the colors of the flag as the two families met at the White House.

The outgoing and incoming first families.(Photo: JIM WATSON, AFP/Getty Images)

Melania also arrived with a gift that matched her dress, handing Michelle Obama what looked like a Tiffany's box as she greeted the outgoing First Lady on the steps.

Fashion-watchers have speculated which designers Melania would wear for the inaugural festivities. . Lauren A. Rothman, stylist and author of Style Bible: What to Wear to Work, foresaw Melania's daytime look in an interview with USA TODAY, predicting the first lady would opt for a professional look.

"It would be great if she wore a classic dress that any woman could slip into," she said, advising Melania to wear "items that can lend an executive presence."

Melania Trump arrives on the West Front of the U.S. Capitol on January 20, 2017 in Washington, DC.(Photo: Win McNamee, Getty Images)

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Melania Trump, the next first lady of the United States, is a former fashion model, so naturally fashion designers are eager to see their creations on her curvy figure, right? Yes and no. Take a look at what some of the top designers have to say about whether they would dress Melania, shown here at Trump National Golf Club Westchester in New York on Aug. 7, 2016. KENA BETANCUR, AFP/Getty Images

Calvin Klein, here in Miami Beach on Dec. 3, 2016, has joined the Melania fan club: When asked by TMZ if he’d be willing to dress the new first lady, Klein replied. “Of course. (She’s) beautiful.” Mike Coppola, Getty Images

Add Stefano Gabbana of Dolce & Gabbana to the list of Melania admirers. He praised her as a “DG Woman” on Instagram after she wore a wore a sexy D&G cocktail dress to a New Year’s Eve party at Mar-a-Lago. He dismissed critics as "ignorant" and declared he doesn’t care about a backlash. “If a woman buys a dress in our shop I should throw it out?” he wrote in Italian. “Are you crazy?” DON EMMERT, AFP/Getty Images

Designer Sophie Theallet, in February 2015 at her New York studio, was the first designer to publicly declare she would not dress Melania. The New York-based French designer wrote an open letter declaring her stand and urging other designers to do the same, citing her opposition to the political views of President-elect Trump. JOSHUA LOTT, AFP/Getty Images

Tom Ford, the designer designer, writer and director, here on Nov. 17, 2016 in New York at premiere of his latest film, 'Nocturnal Animals,' told 'The View" that he was asked to dress Melania years ago and declined because "she's not necessarily my image." Evan Agostini, AP

Carolina Herrera, here at a gala honoring her on Dec. 6, 2016, in New York, says she would be honored to dress Melania. "It is an honor to dress the first ladies of the country," she said on the gala's red carpet. "It's not for myself. It's for the public." Herrera has also dressed outgoing first lady Michelle Obama. Evan Agostini/Invision/AP

Cynthia Rowley, here at a gala in New York on Sept. 19, 2016, notes the question of who will dress Melania is irrelevant because she can afford to buy any designer creation she wants. "Just because she’s shown wearing a designer does not mean that designer is endorsing her, her husband or any of their beliefs," Rowley said in an interview with 'WWD.' Craig Barritt, (Credit too long, see caption)

Tommy Hilfiger, shown here during New York Fashion Week on Feb. 15, 2016, is not in the "never Melania" camp. "I think Melania is a very beautiful woman, and I think any designer should be proud to dress her," he told 'WWD.' JEWEL SAMAD, AFP/Getty Images

Diane von Furstenberg, shown here on Nov. 18, 2016, in New York, also is open to Melania. She "deserves the respect of any first lady before her. Our role as part of the fashion industry is to promote beauty, inclusiveness, diversity. We should each be the best we can be and influence by our example," she told 'WWD.' Jim Spellman, WireImage

Marc Jacobs, shown here in September 2016 in New York, is a 'no' vote on Melania. “I have no interest whatsoever in dressing (her)...Personally, I’d rather put my energy into helping out those who will be hurt by Trump and his supporters,” he told 'WWD.' Larry Busacca, Getty Images

Derek Lam backstage, here during New York Fashion Week in February, said he would not "pre-judge" Melania but couldn't see getting involved in the Trump administration. "While I have incredible respect for our country’s political institutions, I find it challenging to be personally involved in dressing the new first lady. I would rather concentrate my energies on efforts towards a more just, honorable and a mutually respectful world," he told 'WWD.' Skip Bolen, WireImage

As a former fashion model, Melania keeps up with the fashion industry. She and her husband were spotted at the Michael Kors Spring show in New York in September 2010. Kors has been a favorite of Melania's in the past, but so far he has not said publicly whether he would work with her in the White House. Michael Loccisano, Getty Images for IMG

Back when she was Melania Knauss and about to become Donald Trump's third wife, she appeared on the cover of the February 2005 issue of 'Vogue' in her wedding dress. It was the first time a bride was featured on the cover of the magazine in its 115-year history. Vogue

Melania Knauss was Trump's girlfriend for years before they married, mixing with his celebrity friends such as Larry and Shawn King, at a gala in Washington DC in November 1998. NESHAN H. NALTCHAYAN, NONE